Traffic Impact Statement

                                                                                                                                             51 Elanda Street TIS
                                                                                                                                                     2024-11-25



                                                                                   Summary measures

Average utilisation rate of gate                                                             3.3%

Average number of vehicles waiting in line (Lq)                                            0.00115                                     vehicles
Average number of vehicles in system (L)                                                   0.03448                                     vehicles
Average time waiting in line (Wq)                                                          0.00038                                         hour
Average Delay E(w)                                                                         1.37931                                     seconds
Probability of no vehicles in system (P0)                                                  0.96667                    (this is the probability of empty system)
Probability of 'x' vehicles in queue (%)                                                       3.2                                          1

Probability that at least one server is idle                                               -222.2%             (this is also the "percentage who don't wait in queue")

Number of gates required                                                                        1

Average Delay (Time in Queue (hour))                                                        0.011
Average Queue (vehicles)                                                                       0.0
Mean Queue (per lane) - vehicles                                                                                                                                  0.034
                                                                                                               Formula (vehicles)                                 0.00
                                                                                               85%             Rounded up (vehicles)                               0
                               Percentile Back of Queue




                                                                                                               Distance (metres)                                   0
                                                                                                               Formula (vehicles)                                 0.00
                                      (per lane)




                                                                                               95%             Rounded up (vehicles)                               0
                                                                                                               Distance (metres)                                   0
                                                                                                               Formula (vehicles)                                 0.35
                                                                                               99%             Rounded up (vehicles)                              1.00
                                                                                                               Distance (metres)                                   6
Mean Delay (veh) seconds                                                                                                                                          41.38
Q Prob.                                                                                         1              More than 1 veh.                                   0.1%


                         Queue Theory                                                    Mean Queue                                 0.15
                          p(N+1) = (1-%)                                                  nq = p/(1-p)                              0.05
                         N+1 = logp(1-%)                                                                                            0.01
                         N = logp(1-%)-1                                           Mean Waiting Time (Delay)
                                                                                          Wm = nq/qa

                                                                 where:

                                                           p = Utilisation Ratio

                                                          % = Percentile Queue
                                                           N = No. of Vehicles
                         nq = Mean Queue (incl. vehicle being serviced)

                                                          qa = Approach Volume

                         Wm = Mean Delay (incl. vehicle being serviced)



It can be seen from Table 3.2 that the 95th percentile probability would be 1 vehicle queue in the peak hour.
This arrangement is sufficient for the low turnover trips of this development of only 6 units. Overall, ITE
Consulting consider the proposed arrangements to be safe and convenient, with majority of drivers being
familiar with such signal-controlled arrangements at other similar developments. As such, the proposed
arrangements are considered to align with PO1, PO3 and PO6 of the TAP Code.

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